#! /bin/sh
#
# Downloaded from:
# http://bazaar.launchpad.net/~ubuntu-branches/ubuntu/trusty/supervisor/trusty/view/head:/debian/supervisor.init
#
# skeleton  example file to build /etc/init.d/ scripts.
#   This file should be used to construct scripts for /etc/init.d.
#
#   Written by Miquel van Smoorenburg <miquels@cistron.nl>.
#   Modified for Debian
#   by Ian Murdock <imurdock@gnu.ai.mit.edu>.
#               Further changes by Javier Fernandez-Sanguino <jfs@debian.org>
#               Modified by sbilly <superli.1980@gmail.com> Added supervisorctl to status
#
# Version:  @(#)skeleton  1.9  26-Feb-2001  miquels@cistron.nl
#
### BEGIN INIT INFO
# Provides:          supervisor
# Required-Start:    $remote_fs $network $named
# Required-Stop:     $remote_fs $network $named
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Start/stop supervisor
# Description:       Start/stop supervisor daemon and its configured
#                    subprocesses.
### END INIT INFO

. /lib/lsb/init-functions

PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
DAEMON={{ supervisor_bin_path }}
SUPERVISORCTL=/usr/bin/supervisorctl
NAME=supervisord
DESC=supervisor

test -x $DAEMON || exit 0

LOGDIR=/var/log/supervisor
PIDFILE=/var/run/$NAME.pid
DODTIME=5                   # Time to wait for the server to die, in seconds
                            # If this value is set too low you might not
                            # let some servers to die gracefully and
                            # 'restart' will not work

# Include supervisor defaults if available
if [ -f /etc/default/supervisor ] ; then
  . /etc/default/supervisor
fi
DAEMON_OPTS="-c {{ supervisor_config_path }}/supervisord.conf $DAEMON_OPTS"

set -e

running_pid()
{
    # Check if a given process pid's cmdline matches a given name
    pid=$1
    name=$2
    [ -z "$pid" ] && return 1
    [ ! -d /proc/$pid ] &&  return 1
    (cat /proc/$pid/cmdline | tr "\000" "\n"|grep -q $name) || return 1
    return 0
}

running()
{
# Check if the process is running looking at /proc
# (works for all users)

    # No pidfile, probably no daemon present
    [ ! -f "$PIDFILE" ] && return 1
    # Obtain the pid and check it against the binary name
    pid=`cat $PIDFILE`
    running_pid $pid $DAEMON || return 1
    return 0
}

force_stop() {
# Forcefully kill the process
    [ ! -f "$PIDFILE" ] && return
    if running ; then
        kill -15 $pid
        # Is it really dead?
        [ -n "$DODTIME" ] && sleep "$DODTIME"s
        if running ; then
            kill -9 $pid
            [ -n "$DODTIME" ] && sleep "$DODTIME"s
            if running ; then
                echo "Cannot kill $NAME (pid=$pid)!"
                exit 1
            fi
        fi
    fi
    rm -f $PIDFILE
    return 0
}

case "$1" in
  start)
  echo -n "Starting $DESC: "
  start-stop-daemon --start --quiet --pidfile $PIDFILE \
    --startas $DAEMON -- $DAEMON_OPTS
  test -f $PIDFILE || sleep 1
        if running ; then
            echo "$NAME."
        else
            echo " ERROR."
        fi
  ;;
  stop)
  echo -n "Stopping $DESC: "
  start-stop-daemon --stop --quiet --oknodo --pidfile $PIDFILE
  echo "$NAME."
  ;;
  force-stop)
  echo -n "Forcefully stopping $DESC: "
        force_stop
        if ! running ; then
            echo "$NAME."
        else
            echo " ERROR."
        fi
  ;;
  #reload)
  #
  # If the daemon can reload its config files on the fly
  # for example by sending it SIGHUP, do it here.
  #
  # If the daemon responds to changes in its config file
  # directly anyway, make this a do-nothing entry.
  #
  # echo "Reloading $DESC configuration files."
  # start-stop-daemon --stop --signal 1 --quiet --pidfile \
  # /var/run/$NAME.pid --exec $DAEMON
  #;;
  force-reload)
  #
  # If the "reload" option is implemented, move the "force-reload"
  # option to the "reload" entry above. If not, "force-reload" is
  # just the same as "restart" except that it does nothing if the
  #   daemon isn't already running.
  # check wether $DAEMON is running. If so, restart
  start-stop-daemon --stop --test --quiet --pidfile $PIDFILE \
        --startas $DAEMON \
  && $0 restart \
  || exit 0
  ;;
  restart)
    echo -n "Restarting $DESC: "
    start-stop-daemon --stop --quiet --oknodo --pidfile $PIDFILE
  [ -n "$DODTIME" ] && sleep $DODTIME
  start-stop-daemon --start --quiet --pidfile $PIDFILE \
    --startas $DAEMON -- $DAEMON_OPTS
  echo "$NAME."
  ;;
  status)
    echo -n "$NAME is "
    if running ;  then
        echo "running"
    else
        echo " not running."
        exit 1
    fi
    $SUPERVISORCTL $DAEMON_OPTS status
    ;;
  *)
  N=/etc/init.d/$NAME
  # echo "Usage: $N {start|stop|restart|reload|force-reload}" >&2
  echo "Usage: $N {start|stop|restart|force-reload|status|force-stop}" >&2
  exit 1
  ;;
esac

exit 0
